posted by Custom Coatings, Inc. on January 27th, 2025
Stop Leaks Before They Start with Commercial Waterproofing
Water damage is one of the most pervasive and expensive challenges commercial property managers face. Whether it’s a minor leak or widespread moisture infiltration, water can severely compromise a building’s integrity, creating costly repairs, health hazards, and tenant dissatisfaction. The good news is that these problems can be prevented before they even start, thanks to commercial waterproofing. This comprehensive approach provides a reliable barrier against water intrusion, protecting your building from long-term damage and ensuring its durability for years to come.
What Is Commercial Waterproofing?
Commercial waterproofing is the process of using specialized techniques and materials to safeguard buildings from water infiltration. This can involve applying membranes, sealants, coatings, or drainage systems to vulnerable areas like roofs, foundations, walls, and parking garages. The primary goal is to stop water from entering the structure while preserving the materials underneath from the wear and tear caused by moisture exposure.
Waterproofing isn’t just about preventing leaks—it also strengthens your building, enhances energy efficiency, and reduces maintenance costs over time. When implemented correctly, commercial waterproofing can add decades to the life of your property.
Why Commercial Waterproofing Should Be a Priority
For commercial property managers, commercial waterproofing is more than just a preventive measure—it’s an investment in the health and longevity of your building. Here’s why it should be at the top of your maintenance checklist:
1. Prevents Structural Deterioration
Water is one of the most destructive forces a building can face. When water seeps into structural components, it can cause materials like concrete, wood, and steel to weaken or corrode. Over time, this leads to significant structural problems that are both expensive and time-consuming to fix. Waterproofing acts as a first line of defense, protecting the building’s integrity.
2. Stops Mold and Mildew Growth
Damp environments are breeding grounds for mold and mildew, which can damage materials like drywall, insulation, and flooring. More importantly, mold poses serious health risks, including respiratory issues and allergic reactions. By waterproofing your property, you can maintain a safer, healthier environment for tenants and employees.
3. Reduces Long-Term Repair Costs
Water damage often begins unnoticed. By the time visible signs like cracks or leaks appear, the underlying damage can be extensive. Investing in commercial waterproofing early can help you avoid these hidden costs, saving money on future repairs and restoration projects.
4. Improves Energy Efficiency
Waterproofing doesn’t just keep water out—it also enhances your building’s insulation. By sealing cracks and gaps where air can escape, you reduce energy loss and create a more stable indoor temperature. This lowers heating and cooling costs while making the building more comfortable for occupants.
5. Boosts Property Value
A properly waterproofed building is more attractive to potential tenants, buyers, and investors. It signals that the property is well-maintained and less likely to have issues related to water damage.
Key Areas That Need Commercial Waterproofing

Every building has areas that are more vulnerable to water infiltration than others. As a property manager, identifying and addressing these high-risk zones is crucial. Here are some of the most common areas where commercial waterproofing is applied:
Roofing Systems
Flat or low-slope commercial roofs are particularly susceptible to water pooling, which can cause leaks and structural damage over time. Waterproof membranes, coatings, and drainage solutions can protect the roof and extend its lifespan.
Foundations and Basements
Foundations and basements are among the most critical areas to waterproof, as water infiltration in these spaces can compromise the entire structure. Waterproofing solutions for these areas may include exterior membranes, internal sealants, or sump pumps for drainage.
Parking Garages
Parking structures face constant exposure to rain, snow, and vehicle fluids. Over time, these elements can cause cracks and corrosion in concrete surfaces. Specialized waterproof coatings and sealants can protect these areas from wear and tear.
Building Façades
Exterior walls are directly exposed to weather, making them prone to cracks and moisture penetration. Applying waterproof coatings and joint sealants can help keep water out while maintaining the façade’s appearance.
Balconies and Decks
Balconies and decks often collect standing water, which can lead to structural damage if not addressed. Liquid-applied waterproofing systems provide a seamless barrier to protect these areas.
Common Types of Commercial Waterproofing Solutions
Not all buildings require the same waterproofing methods. Each property’s unique design, materials, and environmental conditions dictate the best approach. Below are some of the most common commercial waterproofing solutions:
1. Liquid-Applied Coatings
These coatings are applied directly to surfaces, creating a seamless, flexible membrane that prevents water intrusion. They are commonly used on roofs, balconies, and decks.
2. Membrane Systems
Sheet membranes made of materials like rubber or PVC are often used to waterproof larger areas, such as roofs or foundations. These systems are durable and resistant to tears or punctures.
3. Sealants
Sealants are essential for filling gaps, cracks, and joints in walls, windows, and doors. They provide a strong barrier to prevent water from entering through small openings.
4. Drainage Systems
For areas prone to water accumulation, such as basements or parking garages, drainage systems are crucial. They divert water away from the building, reducing the risk of flooding or seepage.
5. Concrete Admixtures
These are added to concrete during the mixing process to make it water-resistant. This method is often used in parking structures and basements.
Benefits of Partnering with a Professional Waterproofing Contractor
While some maintenance tasks can be handled in-house, commercial waterproofing requires the expertise of a professional contractor. Here’s why:
- Accurate assessment: Professionals can identify areas at risk of water damage and recommend the best solutions.
- Access to high-quality materials: Contractors use advanced materials and techniques that provide better protection than DIY options.
- Long-term performance: Proper installation ensures the waterproofing system lasts for years without the need for frequent repairs.
- Compliance with regulations: Many local building codes require certain waterproofing standards. Professionals can help you meet these requirements.
How Custom Coatings Protects Your Property
At Custom Coatings, we understand that no two buildings are the same. That’s why we take a customized approach to every commercial waterproofing project. Our team has extensive experience working with commercial properties, and we use only the most reliable materials to ensure lasting results.
We offer waterproofing solutions for all building types and areas, including roofs, foundations, parking garages, and more. Whether your property needs a new system or upgrades to an existing one, we’ll help you prevent leaks and protect your investment.
Act Now to Prevent Water Damage
Don’t let water damage catch you off guard. Contact Custom Coatings today to learn more about our commercial waterproofing services. Our team will assess your property, recommend the best solutions, and help you stop leaks before they start.
With professional waterproofing, you can protect your building, save money, and maintain a safe, welcoming environment for tenants and employees. Reach out now to schedule your consultation or inspection!

With more than 30 years of experience beginning in college and culminating with founding Custom Coatings in 1991, Joe wears many hats, from sales to scheduling, estimating to customer relationships. He’s a traveler, a fisherman, and a husband and father of two.